Heebeet cotteell



(No Model.)

H. GOTTRBLL.

" 1GB CREEPER.

PATENT OFFICE.

HERBERT CQTTRRLL, oF NRwARm'NnwJERsEY,

ASSIGNOR TO LOUIS A.

sAYRE, or SAME PLACE. l

ICE-CREEPER.

SPECIFICATION forming part-of Letters Patent No. 351,966, dated November 2, 1886. y Application'fled November 23, 1885. Serial No. 153,620. (No model.)

tain new and useful Improvements in Ice.

Creepers; and I do herebyderlare the following to be afull and clear description thereof, which will enable others skilled in the art to which this invention appertains to make and 1o use the same, reference being had to the accompanying drawings, forming part of this specification, in which` Figure 1 is a view of anv ice-creeper'embodying said improvement as when attached to a heel and turned-to its inoperative position.

Fig; 2 is a view of said creeper as when it is attached to a heel i-n its operative position;

andFig. 3shows the clamping-jaws A a of said Creeper having cast integral therewith a plate Y 2o adapted to extend partly across the face of the heel, and having thereon double bearings c c and cam4 projection d. It also shows the supporting-rod B and the nut b.

Similar letters of reference indicate like 2 5 parts in the several iigures.

The object of my invention is to provide a stronger, cheaper` and more simple construction for that class of Y ice-Creepers in which a reversible calk-platc is pivoted upon a rod attached to the heel by clamping-jaws; and the improvement consists, mainly, inthe applicationof a spiral spring and one hinge of the calkplate between two lugs 'upon one of the clamping-jaws, whereby an abutment is provided for the spring without the use of a nut or pin upon the clamp-rod; and it also consists in the application of two lugs t0 the other clampingjaw, to stiiien and brace the same when ap-` plied to the heel of the .wearer and combined 4o with the clamp-rod.

"A is one of the clamping-jaws, adapted to iit the side of the heel, (which is shown in the drawings by the dotted lines H,) and is'provided with a plate, e, adapted to t against 45 the iront of the heel, and provided atitsinner and outer ends with two bearings, c, to fit the clamp-rod B.

a is the opposite clamping-jaw,

.provided Y similarly with a plate, e', adapted to tit against 53 the front of the heel, and provided at its inner and outer ends, respectively, with two bearings, c. Q B is a clamp-rod inserted through the bearings c c', and provided with a head, B', at one end and a nut, b, at the opposite end, to clamp `them upon the'heel, thejaws being shown with points g to catch in the side ofthe heel, in the usual manner, and the platese e resting upon the front of the heel, as shown in Figs. l and 2. The bearings c c are so constructed thatwhen clamped upon the heel a space remains between the two innerbearings, c c.

D is the calle-plate, provided with two lugs, d and d', to turn freely upon the clampvrod B. The lug d is applied to the rod between the two bearings c, and the lug d'" is appliedjto the rod between the inner bearings, o c.

A locking device to. hold the calli-plate in' an operative or inoperative position is proy vvided by a beveled projection, d, formed upon the side of the inner bearing c, and notches in the side of the lug d adjacent to such bearing, to t such beveled projection'.

A spiral spring, C, is applied to the clamprod between the youter bearing c and the lug d', to press it toward the inner' bearing and hold the beveled projection in such notches.

projection is shown tted to one of the notches l in the lug.

The formation of the two bearings c upon the jaw'a furnishes a rneans of bracing the jaw more effectively when the rod is tightened upon the heel of the user, and thus prevents the tipping or displacement of the jaw under l .the tension of the-clamp-rod. The formation of the two bearings upon the jaw A also braces such jaw in a similar manner, while the application of the locking device to the inner bearing and the insertion of the calk-plate lug d and thespiral spring C between the two bearloo My invention thus furnishes a reversible ice-Creeper which is stronger, more simple in construction, cheaper, and consisting of parts so formed as to be more readily assembled and more perfectly perform their functions than others heretofore made.

It has already been common to construct a -calk-plate and a clamping-jaw with such a projection and notch for holding the calk-plate in two different positions when pressed together by a spiral spring upon the clamp-rod; but in such constructions a iixed abutment has always been required upon the clamprod to sustain the thrust of the spring, and has been provided by drilling a hole through the rod and inserting a transverse pin or applying a nut to a thread upon the rod. I do not therefore claim such a locking device, broadly; but I am not aware that a jaw has ever been provided with two bearings like those shown at c in my construction, between which the spiral spring was compressed to actnate the locking device independently of any abutment provided separately upon the clampingvrod.

It will be noticed that the operation of my locking mechanism, so far as concerns the pressing of the lug d toward the inner bearing c by the spiral spring C, is effected entirely independent of the clamp-rod B, and that the latter serves only in relation to the spring and calk-plate as a pivot upon which they are held in their proper relations to one another and to the inner bearing c.

I am aware that clamping-jaws have been formed with more than one bearing formed upon a plate to fit against the front of the heel in constructions different from mine, and I do not therefore claim such aconstruction for thejaw, except as herein set forth.

Having thus set forth my invention and dis tinguished it from others, what I claim here- 1n 1s*- In a reversible ice-Creeper, the combination, with the `jaw A, having the plate e, with bearings c at its opposite ends, and an opposed jaw and clamp-rod for clamping the same upon the heel, of the projection d upon the inside of the bearing c, the calk-plate provided with lugs d and d", fitted to the rod B, the lug d', having notches to fit the projection el, and the spiral spring C, applied between the outer bearing c and the lug d', the whole being arranged and operated as and for the purpose set forth.

In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.

HERBERT COTTRELL.

XVitncsses:

- H. C. CONDIT, L. A. SAYRE. 

